Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L - 4 P = 2L - 2 P = 2L + 4 P = 2L + 2 P = 2L - 4 P = 2L - 2 P = 2L + 4 P = 2L + 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Infinity Any +ve value Zero Any -ve value Infinity Any +ve value Zero Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces Efficiency of machines as well as structures is below 100 % In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces Efficiency of machines as well as structures is below 100 % ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is Greater than 2 Equal to 2 Less than 2 Equal to 1 Greater than 2 Equal to 2 Less than 2 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° Both (A) and (B) None of these 180° and 360° 0° and 90° Both (A) and (B) None of these 180° and 360° ANSWER DOWNLOAD EXAMIANS APP